import java.util.ArrayList; import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 while (in.hasNextInt()) { // 注意 while 处理多个 case int n = in.nextInt(); int k = in.nextInt(); int m = in.nextInt(); ArrayList<Integer> list = new ArrayList<Integer>(); boolean baoshu = false; int count = 0; int j = -1; for(int i = 0;i<n;i++) { list.add(i); } while(list.size()>1){ j ++; if(j == k && !baoshu) { baoshu = true; } if(baoshu){ count++; } // System.out.println("000:"+list.toString() +",j:"+j+",count:"+count); if(count == m){ count = 0 ; if(j == list.size()-1 ){ list.remove(j); j = -1; }else{ list.remove(j); j = j-1; } // System.out.println("111:"+list.toString() +",j:"+j+",count:"+count); }else{ if(j == list.size()-1 ){ j =-1; } // System.out.println("222:"+list.toString() +",j:"+j+",count:"+count); } } System.out.println(list.get(0)); } } }